Automatic proportioning-machine.



No. 783,186. PATENTED FEB. 21, 1905. H. muossom.

AUTOMATIC PROPORTIONING MAOHINE.

APPLIOATIOH FILED we. 20, 1904.

102 2165565 yz wezzior W Z3 NTTED STATES Patented February 21, 1905PATENT FFIQE.

HENRY ERICSSON, OF CHICAGO, ILLINOIS.

AUTOMATIC PROPORTIONING-IVIACHINE.

SPECIFICATION forming part of Letters Patent No. 783,186, dated February21, 1905.

Application filed August 20, 1904:. Serial. No. 221,479.

To (Ll/Z whom it may concern:

Be it known that I, HENRY EEIossoN, a citizen of the United States ofAmerica, residing at Chicago, in the county of Cook and State ofIllinois, have invented certain new and useful Improvements in AutomaticProportioning- Machines, of which the following is a description.

My invention relates to means for simultaneously discharging thecontents of a plurality of hoppers or receptacles in certain fixedproportions to each other, and is especially applicable to the measuringof the ingredients entering-into a mixture or compouncP as. for example,in the making of concrete my device will simultaneously discharge fromtheir respective receptacles the sand, broken stone, and cement in thepredetermined proportions and at any desired rate of discharge.

The object of my invention is to produce a device of the kind describedwhich is simple and convenient in construction and operation andrequiring a minimum of attendance; and to this end it consists in thenovel construction, arrangement, and combination of parts herein shownand described, and more particularly pointed out in the claims.

In the accompanying drawings, wherein like or similar referencecharacters indicate like or corresponding parts, Figure 1 is a sideelevation of my device. Fig. Qis a front elevation of the same. Fig. 3is a section taken substantially on line 3 3 of Fig. 2, and Fig. 4 is asection taken substantially on line4 1 of Fig. 1.

In the preferred form of my device a plurality of independentreceptacles 1 1 are provided to receive the materials to form themixture. These receptacles may be formed by extending partitions 2 2across a single large receptacle, as shown in the drawings, or they maybe entirely separate and independent receptacles spaced from each other,as preferred. Preferably the bottom of each receptacle is hoppered,-asshown in Figs. 1 and 3, and an extension 3 or an equivalent device isprovided to receive the material issuing from the open ing 1, which isarranged in any preferred manner near the bottom of the receptacle.Substantially at the lower front corner of the extension 3 I providesuitable bearings 5 for supporting a rotatable shaft 6,'upon which isfixedly mounted the pocket-wheel 7 and a driver 8 of any preferred kind.In the preferred form the pocket-wheel7 is formed of two disks 9 9,mounted upon the shaft 6 at opposite sides of the extension, and fourplates 10 of sufficient width to extend radially from the shaft 6 to theperiphery of the disks 9,'as shown. and forming, with the disks andshaft, four pockets of substantially equal size.

Obviously, if'desired, any number of pockets may be formed in the wheel7 by increasing the number of plates 10; nor is it necessary that thepockets be all of the same size, although it is understood that for anyapparatus where several pocket-wheelsare em ployed to proportion asingle mixture the wheels should all be similar, and if the disks areirregularly divided the wheels should be so arranged that correspondingparts of each wheel will operate at the same time; but the size andarrangement shown are preferred.

Obviously where the several receptacles are formed by extendingpartitions across a larger one, as shown in the drawings, it isdesirable to introduce other disks or equivalent means between the twoend disks to divide the face of the pocket-wheel into sectionscorresponding with the receptacles 1 1, formed by the partitions 2 2 inthe main receptacle and extension 3.

The extension 3 is preferably so proportioned that the material enteringthrough the opening 4 will liow into and fill each pocket when the wheelis rotated in the direction indicated on the drawings, any excess ofthis amount being held back by the hinged scraper 12, normally held inthe position shown in the drawings by the springs 14:. This arrangementof the scraper 12 is provided to prevent wrecking of the machine in caseany large piece of material be engaged in the pockets and so carriedagainst the scraper.

The operation is obvious. The materials to be proportioned are eachplaced in its respective receptacle and the pocket-wheels 7 retated byany preferred means in the direction indicated, when the material willbe discharged from the several receptacles in proportion to the capacityof the pockets at each receptacle.

In case it is desired to alter the capacity of any set of pockets blocksmay be fastened in each pocket either longitudinally or transversely, aspreferred, and secured in position in any desired manneras, for example,W here it is desired to place blocks at the ends of a set of pockets anynumber of bolt or screwholes 15 may be formed in the disks 9 and boltsor screws employed to secure the blocks in place.

Having thus described my invention, it is obvious that variousimmaterial modifications may be made without departing from the spiritor scope of. my invention. Hence I do not wish to be understood aslimiting myself to the exact form and construction shown.

What 1 claim as new, and desire to secure by Letters Patent, is 1 1. Adevice of the kind described, comprising a plurality of receptacles eachprovided with a lateral extension near its bottom, said extension beingarranged so as to partially fill with material in combination with aplurality of series of movable pockets each series adapted to removematerial, from one of said extensions, the capacity of the severalseries being proportional to each other and means for simultaneouslymoving the several series of pockets.

2. A deviceof the kind described, comprising a plurality of receptacleseach provided with a lateral extension near its bottom, in combinationwith a series of pockets for each receptacle, the several pockets ofeach series being adapted to periodically remove a part of the contentsof the extension, a scraper arranged to prevent the overloading of thepockets, and means for simultaneously moving the several series ofpockets.

3. A device of the kind described, comprising a plurality of receptacleseach provided with a lateral extension near its bottom, said extensionbeing arranged so as to partially fill with material, in combinationwith a series of movable pockets for each receptacle, the severalpockets of each series being adapted to periodically remove a part ofthe contents of the extension, and means for simultaneously moving theseveral series of pockets.

4. A device of the kind described, comprising a. plurality ofreceptacles each provided with a lateral extension near its bottom, saidextension being arranged so as to partially fill with material, incombination with a plurality of movable pockets for each receptacleperiodically communicating with said extcnsion for removing a portion ofthe contents therefrom, and means for simultaneously moving saidpockets.

5. A device of the kind described, comprising a plurality of receptacleseach provided with a lateral extension near its bottom, said extensionbeing arranged so as to partially fill with material, in combinationwith a pocketwheel for each extension adapted to regulate the dischargeof material therefrom, and means for rotating said pocket-wheels.

6. A device of the kind described, comprising a plurality of receptacleseach provided with a lateral extension near its bottom, in combinationwith a pocket-wheel for each extension adapted to regulate the dischargeof material therefrom, a hinged scraper arranged to prevent theoverloading of the pockets of said pocket Wheel, and means forsimultaneously rotating said wheels.

7. A device of the kind described, comprising a plurality of receptacleseach provided with a lateral extension near its bottom, said extensionbeing arranged so as to partially fill with material, in combinationwith a series of connected pocket-wheels, each extension being providedwith a pocket-wheel, to control the discharge of material therefrom, thecapacity of the several wheels being proportioned to produce the desiredrelations between the amounts of material discharged from the severalreceptacles, andmeans for rotating said pocket-wheels.

8. A device of the kind described, comprising a plurality of receptacleseach provided with a lateral extension positioned near the bottom of thesaid receptacle, in combination with a series of connectedpocket-wheels, each extension being provided with a pocketwheel, tocontrol the discharge of material therefrom, the capacity of the severalwheels being proportioned to produce the desired relations between theamounts of material discharged from the several receptacles, a hingedscraper provided with resilient means for normally holding the same inposition, arranged to prevent overloading of the pocket-wheels, andmeansfor rotating said pocket-Wheels.

in testimony whereof I have hereunto signed my name in the presence 'oftwo subscribing witnesses.

HENRY ERIOSSON.

Witnesses:

JOHN W, HILL, CHARLES I. COBB.

